- reverted last change, it disallowed to make lifetime invisible - keep lifetime invisible when lifeline size changes
- reverted last change, it disallowed to make lifetime invisible
- keep lifetime invisible when lifeline size changes


git-svn-id: 80d932a80928324f4d3d71af042e652e41ead033@1988 a8418922-720d-0410-834f-a69b97ada669

amolenaar/gaphor,amolenaar/gaphor